[PATCH V3 2/6] drm/panel: nv3051d: Hold panel in reset for unprepare

[Jessica Zhang]

On 11/15/2023 4:17 PM, Chris Morgan wrote:
> From: Chris Morgan <macromorgan at hotmail.com>
> 
> Improve the panel's ability to restore from suspend by holding the
> panel in suspend after unprepare.
> 
> Fixes: b1d39f0f4264 ("drm/panel: Add NewVision NV3051D MIPI-DSI LCD panel")
> Signed-off-by: Chris Morgan <macromorgan at hotmail.com>

Thanks!

Reviewed-by: Jessica Zhang <quic_jesszhan at quicinc.com>

> ---
>   drivers/gpu/drm/panel/panel-newvision-nv3051d.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panel/panel-newvision-nv3051d.c b/drivers/gpu/drm/panel/panel-newvision-nv3051d.c
> index 79de6c886292..c44c6945662f 100644
> --- a/drivers/gpu/drm/panel/panel-newvision-nv3051d.c
> +++ b/drivers/gpu/drm/panel/panel-newvision-nv3051d.c
> @@ -261,6 +261,8 @@ static int panel_nv3051d_unprepare(struct drm_panel *panel)
>   
>   	usleep_range(10000, 15000);
>   
> +	gpiod_set_value_cansleep(ctx->reset_gpio, 1);
> +
>   	regulator_disable(ctx->vdd);
>   
>   	return 0;
> -- 
> 2.34.1
>